Includes index.

Presenting Problems and Physical Findings --Abortion, Spontaneous (Pregnancy Loss) -- Cats -- Abortion, Spontaneous (Pregnancy Loss) -- Dogs -- Abortion, Termination of Pregnancy -- Acute Abdomen -- Aggression -- Cats -- Aggression -- Dogs -- Alopecia -- Cats -- Alopecia -- Dogs -- Anisocoria -- Anorexia -- Ascites -- Ataxia -- Blind Quiet Eye -- Breeding, Timing -- Cardiopulmonary Arrest -- Constipation and Obstipation -- Coprophagia -- Corneal and Scleral Lacerations -- Cough -- Cyanosis -- Deafness -- Dermatoses, Depigmenting Disorders -- Dermatoses, Erosive or Ulcerative -- Dermatoses, Exfoliative -- Dermatoses, Papulonodular -- Dermatoses, Sterile Nodular/Granulomatous -- Dermatoses, Vesiculopustular -- Diarrhea, Acute -- Diarrhea, Chronic -- Cats -- Diarrhea, Chronic -- Dogs -- Discolored Tooth/Teeth -- Dyschezia and Hematochezia -- Dysphagia -- Dyspnea, Tachypnea, and Panting -- Dystocia -- Dysuria and Pollakiuria -- Epiphora -- Epistaxis -- Fears and Phobias -- Dogs -- Fever -- Flatulence -- Gingivitis -- Halitosis -- Head Tilt (Vestibular Disease) -- Hematemesis -- Hematuria -- Hepatomegaly -- Housesoiling in Cats, Urine -- Hypothermia -- Incontinence, Fecal -- Incontinence, Urinary -- Infertility, Female -- Infertility, Male -- Dogs -- Lameness -- Lymphadenopathy (Lymphadenomegaly) -- Melena -- Murmurs, Heart -- Myoclonus -- Nail and Nailbed Disorders -- Nasal Dermatoses -- Nasal Discharge (Sneezing, Reverse Sneezing, Gagging) -- Neck and Back Pain -- Neonatal Mortality (Fading Syndrome) -- Nephrotic Syndrome. Obesity -- Odontoclastic Resorptive Lesions -- Cats -- Oliguria and Anuria -- Oral Ulceration -- Orbital Diseases (Exophthalmus, Enophthalmus, Strabismus) -- Paralysis -- Periodontal Disease -- Petechiae/Ecchymosis/Bruising -- Pododermatitis -- Poisoning (Intoxication) -- Polyuria and Polydipsia -- Prostatomegaly -- Pruritus -- Ptyalism -- Red Eye -- Regurgitation -- Renomegaly -- Retinal Degeneration -- Retinal Hemorrhage -- Seizures (Convulsions, Status Epilepticus) -- Cats -- Seizures (Convulsions, Status Epilepticus) -- Dogs -- Sepsis and Bacteremia -- Shock, Cardiogenic -- Shock, Hypovolemic -- Shock, Septic -- Splenomegaly -- Stereotypies -- Cats -- Stereotypies -- Dogs -- Stertor and Stridor -- Stomatitis -- Stupor and Coma -- Syncope -- Third Eyelid Protrusion -- Tremors -- Urinary Retention, Functional -- Urinary Tract Obstruction -- Vaginal Discharge -- Vomiting, Acute -- Vomiting, Chronic -- Weight Loss and Cachexia -- Diagnostics -- Laboratory Tests -- Acidosis, Metabolic -- ACTH Response Test -- Alanine Aminotransferase (ALT)/Aspartate Aminotransferase -- Albumin, Hypoalbuminemia -- Alkaline Phosphatase (ALP) and [gamma]-Glutamyl Transferase (GGT) -- Alkalosis, Metabolic -- [alpha subscript 1]-Protease Inhibitor ([alpha subscript 1]-PI), Fecal -- Ammonia -- Amylase and Lipase -- Anemia, Noregenerative -- Anemia, Regenerative -- Anion Gap -- Antinuclear Antibody (ANA) Titer/Lupus Erythematosus (LE) Cell Test -- Bile Acids -- Bilirubin, High -- Calcium, Hypercalcemia -- Calcium, Hypocalcemia. Chloride, Hyperchloremia -- Chloride, Hypochloremia -- Clotting Factor Deficiencies -- Cobalamin and Folate, Serum -- Coombs' Test -- Creatine Kinase -- Creatinine and Blood Urea Nitrogen (BUN) -- Azotemia and Uremia -- Crystalluria -- Cylindruria -- Eosinophilia and Basophilia -- Fructosamine and Glycosylated Hemoglobin -- Globulin -- Glucose, Hyperglycemia -- Glucose, Hypoglycemia -- Glucosuria -- Hemoglobinuria and Myoglobinuria -- High-dose Dexamethasone Suppression Test and Plasma ACTH Levels -- Hypercapnia -- Hyposthenuria -- Hypoxemia -- Lactic Acidosis (Hyperlactatemia) -- Lipids, Hyperlipidemia -- Low-dose Dexamethasone Suppression Test -- Lymphocytosis -- Lymphopenia -- Magnesium, Hypermagnesemia -- Magnesium, Hypomagnesemia -- Methemoglobinemia -- Monocytosis -- Neutropenia -- Neutrophilia -- Osmolarity, Hyperosmolarity -- Pancytopenia -- Paraproteinemia -- Phosphorus, Hyperphosphatemia -- Phosphorus, Hypophosphatemia -- Polycythemia -- Potassium, Hyperkalemia -- Potassium, Hypokalemia -- Proteinuria -- Pyuria -- Sodium, Hypernatremia -- Sodium, Hyponatremia -- Thrombocytopenia -- Thrombocytosis -- Thyroid Hormones -- Trypsin-like Immunoreactivity (TLI) -- Urine Cortisol:Creatinine Ratio -- Urine Electrolytes and Urine Composition -- Diagnostics -- Electrocardiography -- Atrial Fibrillation and Atrial Flutter -- Atrial Premature Complexes (APCs) -- Atrial Standstill -- Atrioventricular Block, Complete (Third-degree) -- Atrioventricular Block, First-degree. Atrioventricular Block, Second-degree, Mobitz Type I -- Atrioventricular Block, Second-degree, Mobitz Type II -- Atrioventricular Dissociation -- Idioventricular Rhythm -- Left Anterior Fascicular Block -- Left Bundle Branch Block -- Right Bundle Branch Block -- Sick Sinus Syndrome -- Sinus Arrest or Block -- Sinus Arrhythmia -- Sinus Bradycardia -- Sinus Tachycardia -- Supraventricular Tachycardia -- Ventricular Fibrillation -- Ventricular Premature Complexes -- Ventricular Standstill (Asystole) -- Ventricular Tachycardia -- Wolff-Parkinson-White Syndrome -- Diseases and Clinical Syndromes -- Abscessation -- Acetaminophen Toxicity -- Acne -- Cats -- Acne -- Dogs -- Acral Lick Dermatitis -- Acromegaly -- Cats -- Actinomycosis -- Acute Respiratory Distress Syndrome (ARDS) -- Adenocarcinoma, Anal Sac/Perianal/Rectal -- Adenocarcinoma, Lung -- Adenocarcinoma, Nasal -- Adenocarcinoma, Pancreas -- Adenocarcinoma, Prostate -- Adenocarcinoma, Renal -- Adenocarcinoma, Salivary Gland -- Adenocarcinoma, Skin (Sweat Gland, Sebaceous) -- Adenocarcinoma, Stomach, Small and Large Intestine, Rectal -- Adenocarcinoma, Thyroid -- Dogs -- Aflatoxin Toxicosis -- Ameloblastoma -- Amitraz Toxicosis -- Amyloidosis -- Anaerobic Infections -- Anal Sac Disorders -- Anemia of Chronic Renal Disease -- Anemia, Aplastic -- Anemia, Heinz Body -- Anemia, Immune-mediated -- Anemia, Iron-deficiency -- Anemia, Metabolic (Anemias with Spiculated Red Cells) -- Anemia, Nuclear Maturation Defects (Anemia, Megaloblastic) -- Antebrachial Growth Deformities. Anterior Crossbite -- Anterior Uveitis -- Cats -- Anterior Uveitis -- Dogs -- Aortic Stenosis -- Aortic Thromboembolism -- Apudoma -- Arsenic Poisoning -- Arteriovenous Fistula -- Arthritis (Osteoarthritis) -- Arthritis, Septic -- Aspergillosis -- Aspirin Toxicity -- Asthma, Bronchitis -- Cats -- Astrocytoma -- Astrovirus Infection -- Atherosclerosis -- Atlantoaxial Instability -- Atopy -- Atrial Septal Defect -- Atrial Wall Tear -- Atrioventricular Valve Dysplasia -- Atrioventricular Valve Endocardiosis -- Atrioventricular Valvular Stenosis -- Babesiosis -- Bartonellosis -- Cat Scratch Disease -- Basal Cell Tumor -- Base Narrow Mandibular Canine Teeth -- Benign Prostatic Hyperplasia -- Bile Duct Carcinoma -- Bile Duct Obstruction -- Bilious Vomiting Syndrome -- Blastomycosis -- Blepharitis -- Blood Transfusion Reactions -- Bordetellosis -- Cats -- Botulism -- Brachial Plexus Avulsion -- Brachycephalic Airway Syndrome -- Brain Injury (Head Trauma and Hypoxia) -- Bronchiectasis -- Dogs -- Bronchitis, Chronic (COPD) -- Brucellosis -- Dogs -- Calicivirus -- Cats -- Campylobacteriosis -- Candidiasis -- Capillariasis -- Carbon Monoxide Poisoning -- Cardiomyopathy, Boxer -- Cardiomyopathy, Dilated -- Cats -- Cardiomyopathy, Dilated -- Dogs -- Cardiomyopathy, Hypertrophic -- Cats -- Cardiomyopathy, Hypertrophic -- Dogs -- Cardiomyopathy, Restrictive -- Cats -- Carnitine Deficiency -- Cataracts -- Cecal Inversion -- Cerebellar Degeneration -- Cerebellar Hypoplasia -- Ceruminous Gland Adenocarcinoma, Ear. Chagas Disease (American Trypanosomiasis) -- Chediak-Higashi Syndrome -- Chemodectoma -- Cheyletiellosis -- Chlamydiosis -- Cats -- Chocolate Toxicity -- Cholangitis/Cholangiohepatitis -- Cholecystitis -- Cholelithiasis -- Chondrosarcoma, Bone -- Chondrosarcoma, Larynx and Trachea -- Chondrosarcoma, Nasal and Paranasal Sinus -- Chondrosarcoma, Oral -- Chorioretinitis -- Chylothorax -- Ciliary Dyskinesia, Primary -- Cirrhosis/Fibrosis of the Liver -- Clostridial Enterotoxicosis -- Coagulopathy of Liver Disease -- Cobalamin Malabsorption in Giant Schnauzers and Border Collies -- Coccidioidomycosis -- Coccidiosis -- Cold Agglutinin Disease -- Colibacillosis -- Colitis and Proctitis -- Colitis, Histiocytic Ulcerative -- Collie Eye Anomaly -- Congenital Ocular Anomalies -- Congestive Heart Failure, Left-sided -- Congestive Heart Failure, Right-sided -- Conjunctivitis -- Cats -- Conjunctivitis -- Dogs -- Contact Dermatitis -- Coonhound Paralysis (Idiopathic Polyradiculoneuritis) -- Copper Hepatopathy -- Corneal Degenerations and Infiltrations -- Corneal Dystrophies -- Coronavirus Infection -- Dogs -- Craniomandibular Osteopathy -- Cruciate Disease, Cranial -- Cryptococcosis -- Cryptorchidism -- Cryptosporidiosis -- Cutaneous Asthenia -- Cutaneous Drug Eruptions -- Cyclic Hematopoiesis -- Dogs -- Cytauxzoonosis -- Dancing Doberman Disease -- Decidous Teeth, Retained -- Demodicosis -- Dermatomyositis -- Dermatophilosis -- Dermatophytosis -- Diabetes Insipidus -- Diabetes Mellitus, Ketoacidotic. Diabetes Mellitus, Nonketotic Hyperosmolar Syndrome -- Diabetes Mellitus, Uncomplicated -- Diaphragmatic Hernia -- Dietary Intolerance -- Digoxin Toxicity -- Diskospondylitis -- Disseminated Intravascular Coagulation (DIC) -- Distemper -- Dogs -- Double Aortic Arch -- Dysautonomia (Key-Gaskell Syndrome) -- Dysraphism, Spinal -- Ear Mites -- Ebstein's Anomaly -- Eclampsia -- Ectopic Ureters -- Ectropion -- Ehrlichiosis -- Elbow Dysplasia -- Enamel Hypoplasia/Hypocalcification -- Encephalitis -- Encephalitis Secondary to Parasitic Migration -- Encephalitozoonosis -- Encephalopathy, Ischemic -- Cats -- Endocarditis, Bacterial -- Endomyocardial Diseases -- Cats -- Entropion -- Eosinophilic Granuloma Complex -- Epididymitis/Orchitis -- Epilepsy, Idiopathic, Genetic, Primary -- Episcleritis -- Epulis -- Esophageal Diverticula -- Esophageal Foreign Bodies -- Esophageal Stricture -- Esophagitis -- Estrogen Toxicity -- Ethanol Toxicity -- Ethylene Glycol Toxicity -- Exocrine Pancreatic Insufficiency (EPI) -- Eyelash Disorders (Trichiasis/Distichiasis/Ectopic Cilia) -- Facial Nerve Paresis/Paralysis -- False Pregnancy -- Fanconi's Syndrome -- Feline Idiopathic Lower Urinary Tract Diseases -- Feline Immunodeficiency Virus (FIV) -- Feline Infectious Peritonitis (FIP) -- Feline Leukemia Virus Infection (FeLV) -- Feline Panleukopenia -- Feline Paraneoplastic Syndrome -- Feline Rhinotracheitis Virus -- Feline Skin Fragility Syndrome -- Feline Symmetrical Alopecia -- Feline Syncytial-forming Virus Infection (FeSFV). Fibrocartilaginous Embolic Myelopathy -- Fibrosarcoma, Bone -- Fibrosarcoma, Gingiva -- Fibrosarcoma, Nasal and Paranasal Sinus -- Fleas and Flea Control -- Flukes, Liver -- Food Reactions (Dermatologic) -- Gastric Dilation and Volvulus Syndrome (GDV) -- Gastric Motility Disorders -- Gastritis, Atrophic -- Gastritis, Chronic -- Gastroduodenal Ulcer Disease -- Gastroenteritis, Eosinophilic -- Gastroenteritis, Hemorrhagic -- Gastroenteritis, Lymphocytic-Plasmacytic -- Gastroesophageal Reflux -- Gastrointestinal Obstruction -- Giardiasis -- Glaucoma -- Glomerulonephritis -- Gluten Enteropathy in Irish Setters -- Growth Hormone-responsive Dermatoses -- Haemobartonellosis -- Hair Follicle Tumors -- Heartworm Disease -- Cats -- Heartworm Disease -- Dogs -- Heat Stroke and Hyperthermia -- Helicobacter Infection -- Hemangiopericytoma -- Hemangiosarcoma, Bone -- Hemangiosarcoma, Heart -- Hemangiosarcoma, Skin -- Hemangiosarcoma, Spleen and Liver -- Hemothorax -- Hepatic Amyloid -- Hepatic Encephalopathy -- Hepatic Failure, Acute -- Hepatic Lipidosis -- Hepatitis, Chronic Active -- Hepatitis, Granulomatous -- Hepatitis, Infectious Canine -- Hepatitis, Leptospirosis -- Hepatitis, Suppurative and Hepatic Abscess -- Hepatocellular Adenoma (Hepatoma) -- Hepatocellular Carcinoma (HCCA) -- Hepatoportal Microvascular Dysplasia (MVD) -- Hepatorenal Syndrome -- Hepatotoxins -- Hepatozoonosis -- Herpesvirus Infection -- Dogs -- Hiatal Hernia -- Hip Dysplasia -- Dogs -- Histiocytoma -- Histiocytosis -- Dogs -- Histoplasmosis. Hookworms (Ancylostomiasis) -- Horner Syndrome -- Hydrocephalus -- Hydronephrosis -- Hyperadrenocorticism (Cushing Disease) -- Hyperandrogenism -- Hypercoagulability -- Hypereosinophilic Syndrome -- Hyperestrogenism -- Hyperparathyroidism -- Hyperparathyroidism, Renal Secondary -- Hypersensitivity Reaction (Anaphylaxis) -- Hypertension, Portal -- Hypertension, Pulmonary -- Hypertension, Systemic -- Hyperthyroidism -- Hypertrophic Osteodystrophy -- Hypertrophic Osteopathy -- Hypertrophic Pyloric Gastropathy, Chronic -- Hyperviscosity Syndrome -- Hyphema -- Hypoadrenocorticism -- Hypoandrogenism -- Hypomyelination -- Central and Peripheral Nervous System -- Hypoparathyroidism -- Hypopyon and Lipid Flare -- Hypopituitarism -- Hypothyroidism -- Immunodeficiency Disorders, Primary -- Immunoproliferative Enteropathy of Basenjis -- Inflammatory Bowel Disease (IBD) -- Insulinoma -- Interdigital Dermatitis -- Interstitial Cell Tumor, Testicle -- Intervertebral Disc Disease, Cervical -- Intervertebral Disc Disease, Thoracolumbar -- Intussusception -- Iris Atrophy -- Iron Toxicity -- Irritable Bowel Syndrome -- Ivermectin Toxicity -- Juvenile Polyarteritis (Beagle Pain Syndrome) -- Keratitis, Nonulcerative -- Keratitis, Ulcerative -- Keratoconjuncitivitis Sicca (KCS) -- L-Form Bacterial Infections -- Laryngeal Disease -- Lead Poisoning -- Legg-Calve-Perthes Disease -- Leiomyoma, Stomach, Small and Large Intestine -- Leiomyosarcoma, Stomach, Small and Large Intestine -- Leishmaniasis -- Lens Luxation -- Leptospirosis. Leukemia, Acute Lymphoblastic -- Leukemia, Chronic Lymphocytic -- Leukoencephalomyelopathy in Rottweilers -- Lilly Poisoning -- Lipoma, Infiltrative -- Lizard Venom Toxicity -- Lower Urinary Tract Infection -- Lumbosacral Stenosis (Cauda Equina Syndrome) -- Lung Lobe Torsion -- Lupus Erythematosus, Systemic (SLE) -- Lupus Erythematosus, Cutaneous (Discoid) -- Lyme Disease -- Lymphadenitis -- Lymphangiectasia -- Lymphedema -- Lymphomatoid Granulomatosis -- Lymphosarcoma -- Cats -- Lymphosarcoma -- Dogs -- Lymphosarcoma (Lymphoma), Epidermotrophic -- Malassezia Dermatitis -- Malformations -- Congenital, Central Nervous System -- Malignant Fibrous Histiocytoma (Giant Cell Tumor) -- Mammary Gland Hyperplasia -- Cats -- Mammary Gland Tumors -- Cats -- Mammary Gland Tumors -- Dogs -- Mast Cell Tumors -- Mastitis -- Mediastinitis -- Megacolon -- Megaesophagus -- Melanocytic Tumors, Oral -- Melanocytic Tumors, Skin and Digit -- Meningioma -- Meningitis/Meningoencephalitis/Meningomyelitis, Bacterial -- Meningoencephalomyelitis, Eosinophilic -- Meningoencephalomyelitis, Granulomatous -- Mesothelioma -- Metaldehyde Toxicosis -- Metritis -- Moderator Bands, Increased -- Mucopolysaccharidosis (MPS) -- Multiple Myeloma -- Mumps -- Mushroom Toxicity -- Myasthenia Gravis -- Mycobacterial Infections -- Mycoplasma -- Myelodyplastic Syndromes -- Myelomalacia -- Diffuse, Hemorrhagic (Hematomyelia) -- Myelopathy, Degenerative -- Myeloproliferative Disorders -- Myocardial Infarction -- Myocardial Tumors -- Myocarditis. Myopathy, Focal Inflammatory -- Masticatory Muscle Myositis and Extraocular Myositis -- Myopathy, Generalized Inflammatory -- Polymyositis and Dermatomyositis -- Myopathy, Noninflammatory -- Endocrine -- Myopathy, Noninflammatory -- Hereditary Labrador Retriever -- Myopathy, Noninflammatory -- Hereditary Myotonia -- Myopathy, Noninflammatory -- Hereditary Scotty Cramp -- Myopathy, Noninflammatory -- Hereditary X-linked Muscular Dystrophy -- Myopathy, Noninflammatory -- Metabolic -- Myxedema and Myxedema Coma -- Narcolepsy and Cataplexy -- Nasal and Nasopharyngeal Polyps -- Nasopharyngeal Stenosis -- Necrotizing Encephalitis of Yorkshire Terriers -- Necrotizing Meningoencephalitis of Maltese Dogs -- Neosporosis -- Nephrolithiasis -- Nephrotoxicity, Drug-induced -- Neuroaxonal Dystrophy -- Nocardiosis -- Nonsteroidal Anti-inflammatory Drugs (NSAID) Toxicity -- Ophthalmia Neonatorum -- Optic Neuritis -- Oral Cavity Tumors, Undifferentiated Malignant Tumors -- Oral Masses -- Organophosphate and Carbamate Toxicity -- Oronasal Fistula -- Osteochondrodysplasia -- Osteochondrosis -- Osteomyelitis -- Osteosarcoma -- Otitis Externa and Media -- Otitis Media and Interna -- Ovarian Tumors -- Pancreatitis -- Panniculitis -- Panosteitis -- Papilledema -- Papillomatosis -- Paragonimiasis -- Paraphimosis and Phimosis -- Parvoviral Infection -- Dogs -- Patellar Luxation -- Patent Ductus Arteriosus -- Pectus Excavatum -- Pelger-Huet Anomaly -- Pelvic Bladder -- Pemphigoid, Bullous -- Pemphigus -- Perianal Fistula -- Pericardial Effusion -- Pericarditis. Perineal Hernia -- Peripheral Edema -- Peripheral Neuropathies (Polyneuropathies) -- Perirenal Pseudocysts -- Peritoneopericardial Diaphragmatic Hernia -- Peritonitis -- Persistent Right Aortic Arch -- Pheochromocytoma -- Phosphofructokinase Deficiency -- Phycomycosis (Pythiosis) -- Physaloptera -- Pica -- Plague (Yersinia Pestis) -- Plasma Cell Gingivitis and Pharyngitis -- Plasmacytoma, Mucocutaneous -- Pleural Effusion -- Pneumocytosis -- Pneumonia, Allergic -- Dogs -- Pneumonia, Aspiration -- Pneumonia, Bacterial -- Pneumonia, Fungal -- Pneumothorax -- Polioencephalomyelitis -- Cats -- Polyarthritis, Erosive, Immune-mediated -- Polyarthritis, Nonerosive, Immune-mediated -- Polycystic Kidney Disease -- Polycythemia Vera -- Polyphagia -- Portosystemic Shunt -- Poxvirus Infection -- Cats -- Prolapsed Gland of the Third Eyelid (Cherry Eye) -- Proptosis -- Prostatic Cysts -- Prostatitis and Prostatic Abscess -- Protein-losing Enteropathy -- Protothecosis -- Pseudorabies Virus Infection -- Pug Encephalitis (Meningoencephalitis) -- Pulmonary Contusions -- Pulmonary Edema -- Pulmonary Edema, Noncardiogenic -- Pulmonary Fibrosis -- Pulmonary Mineralizations -- Pulmonary Thromboembolism -- Pulmonic Stenosis -- Puppy Strangles (Juvenile Cellulitis) -- Pyelonephritis -- Pyoderma -- Pyometra and Cystic Endometrial Hyperplasia -- Pyothorax -- Pyrethrin and Pyrethroid Toxicosis -- Pyruvate Kinase Deficiency -- Q Fever -- Rabies -- Rectal and Anal Prolapse -- Rectal Stricture -- Rectoanal Polyps. Renal Disease, Congenital and Developmental -- Renal Failure, Acute -- Renal Failure, Chronic -- Renal Tubular Acidosis -- Reovirus Infections -- Respiratory Parasites -- Retained Placenta -- Retinal Detachment -- Rhabdomyoma -- Rhabdomyosarcoma -- Rhabdomyosarcoma, Urinary Bladder -- Rhinitis and Sinusitis -- Rhinosporidiosis -- Rocky Mountain Spotted Fever -- Rodenticide Anticoagulant Poisoning -- Rotavirus Infections -- Roundworms (Ascariasis) -- Salmon Poisoning Disease -- Salmonellosis -- Sarcoptic Mange -- Schiff-Sherrington Phenomenon -- Schwannoma -- Sebaceous Adenitis -- Seminoma -- Sertoli Cell Tumor -- Sex Hormone-responsive Dermatoses -- Sexual Development Disorders -- Shaker Syndrome (Generalized Tremor Syndrome) -- Shoulder, Ligament, and Tendon Conditions -- Sjogren Syndrome -- Small Intestinal Bacterial Overgrowth (SIBO) -- Smoke Inhalation -- Snake Venom Toxicosis -- Coral Snakes -- Snake Venom Toxicosis -- Pit Vipers -- Spermatocele/Sperm Granuloma -- Spider Venom Toxicosis -- Black Widow Spider -- Spider Venom Toxicosis -- Brown Recluse Family -- Splenic Torsion -- Spondylosis Deformans -- Sporotrichosis -- Squamous Cell Carcinoma, Digit -- Squamous Cell Carcinoma, Ear -- Squamous Cell Carcinoma, Gingiva -- Squamous Cell Carcinoma, Lung -- Squamous Cell Carcinoma, Nasal and Paranasal Sinus -- Squamous Cell Carcinoma, Nasal Planum -- Squamous Cell Carcinoma, Skin -- Squamous Cell Carcinoma, Tongue -- Squamous Cell Carcinoma, Tonsil -- Staphylococcal Infections -- Steroid Hepatopathy. Steroid-responsive Meningitis-Arteritis (SRMA) -- Dogs -- Storage Diseases, Glycogen -- Storage Diseases, Lysosomal -- Streptococcal Infections -- Strongyloidiasis -- Strychnine Poisoning -- Subinvolution of Placental Sites -- Superficial Necrolytic Dermatitis -- Synovial Cell Sarcoma -- Tapeworms (Cestodiasis) -- Taurine Deficiency -- Testicular Degeneration and Hypoplasia -- Tetanus -- Tetralogy of Fallot -- Thrombocytopathies -- Thrombocytopenia, Primary Immune-mediated (IMT) -- Thymoma -- Tick Bite Paralysis -- Ticks and Tick Control -- Toad Venom Toxicosis -- Tooth Fracture -- Tooth Luxation/Avulsion -- Tooth Root Abscess (Apical Abscess) -- Toxoplasmosis -- Tracheal Collapse -- Tracheobronchitis, Infectious -- Dog -- Transitional Cell Carcinoma, Renal, Bladder, Urethra -- Transmissible Venereal Tumor -- Traumatic Myocarditis -- Trigeminal Neuritis -- Tularemia -- Tumoral Calcinosis -- Tyzzer Disease -- Ureterolithiasis -- Urethral Prolapse -- Urolithiasis, Calcium Oxalate -- Urolithiasis, Calcium Phosphate -- Urolithiasis, Cystine -- Urolithiasis, Struvite -- Cats -- Urolithiasis, Struvite -- Dogs -- Urolithiasis, Urate -- Urolithiasis, Xanthine -- Uterine Inertia -- Uterine Tumors -- Uveal Melanoma -- Cats -- Uveal Melanoma -- Dogs -- Uveodermatologic Syndrome (VKH) -- Vaccine-associated Sarcoma -- Vaginal Hyperplasia and Prolapse -- Vaginal Malformations and Acquired Lesions -- Vaginal Tumors -- Vaginitis -- Vasculitis, Cutaneous -- Vasculitis, Systemic -- Ventricular Septal Defect -- Vesicourachal Diverticula. Vestibular Disease, Geriatric -- Dogs -- Vestibular Disease, Idiopathic -- Cats -- Vitamin A Toxicity -- Vitamin D Toxicity -- Von Willebrand Disease -- Whipworms (Tricuriasis) -- Wobbler Syndrome (Cervical Veterbral Instability) -- Zinc Toxicity.